PBSD MSTBU Agenda 01/21/2013 Special PELICAN BAY SERVICES DIVISION
Municipal Service Taxing & Benefit Unit
7. FEB202013 )
NOTICE OF PUBLIC MEETING MONDAY, JANUARY 21, 2013
THE PELICAN BAY SERVICES DIVISION BOARD WILL MEET IN SPECIAL SESSION
MONDAY, JANUARY 21 AT 9:00 AM AT THE CLUB PELICAN BAY, 707 GULF PARK
DRIVE, NAPLES, FL 34108
Fiala
He
AGENDA
Henning
Coyle
The agenda includes, but is not limited:
1. Roll call
2. Draft Clam Pass Construction Plans Presentation by Ken Humiston, P.E.,
and Brett D. Moore, P.E., Humiston & Moore Engineers
3. Board Discussion
4. Audience Comments
5. *Approval of the Pelican Bay Services Division Board recommendation
to the Board of County Commissioners
6. Adjourn
* Board vote is anticipated
ANY PERSON WISHING TO SPEAK ON AN AGENDA ITEM WILL RECEIVE UP TO THREE (3) MINUTES PER
ITEM TO ADDRESS THE BOARD. THE BOARD WILL SOLICIT PUBLIC COMMENTS ON SUBJECTS NOT ON
THIS AGENDA AND ANY PERSON WISHING TO SPEAK WILL RECEIVE UP TO THREE (3) MINUTES. THE
BOARD ENCOURAGES YOU TO SUBMIT YOUR COMMENTS IN WRITING IN ADVANCE OF THE MEETING.
ANY PERSON WHO DECIDES TO APPEAL A DECISION OF THIS BOARD WILL NEED A RECORD OF THE
PROCEEDING PERTAINING THERETO, AND THEREFORE MAY NEED TO ENSURE THAT A VERBATIM
RECORD IS MADE, WHICH INCLUDES THE TESTIMONY AND EVIDENCE UPON WHICH THE APPEAL IS TO
BE BASED. IF YOU ARE A PERSON WITH A DISABILITY WHO NEEDS AN ACCOMMODATION IN ORDER TO
PARTICIPATE IN THIS MEETING YOU ARE ENTITLED TO THE PROVISION OF CERTAIN ASSISTANCE. PLEASE
CONTACT THE PELICAN BAY SERVICES DIVISION AT (239) 597-1749 OR VISIT
PELICANBAYSERVICESDIVISION.NET.
Misc.Corres:
Date:
Item#:
1/18/2013 12:41:16 PM
Copies to:
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Add On Item 11H
January 22,2013
EXECUTIVE SUMMARY
Recommendation to approve the expedited solicitation process for the construction
dredging of Clam Pass and direct the County Manager to issue work order(s) under
current Board approved contract(s) to the firm(s) who submit the lowest responsive price
for the Clam Pass project and approve necessary budget amendments.
OBJECTIVE: To provide for an expedited bidding process to obtain the construction work
order(s) to proceed with expedited dredging and clearing of Clam Pass and approve necessary
budget amendments.
CONSIDERATIONS: On December 11, 2012, the Board of County Commissioners (BCC)
clarified and reaffirmed that the Pelican Bay Services Division has the respons'bility for advising
the County on dredging and maintaining Clam Pass and for managing suc activities for the
County.
On January 8, 2013 (Item 10R) the Board of County Commissioners decl ed that the recent
closure of Clam Pass constituted a valid public emergency requiring dredging f the Pass as soon
as practicable. Services related to the permitting, surveying, engineering and onstruction phase
engineering services were authorized and include:
Task Firm Cost
Project Surveying Agnoli, Barber and Brundage (ABB) $20,900
• Original Amount: 18,400
• Change Order#1 Pending: 2,500
Permits and Management Turrell, Hall and Associates 28,000
Plan
Design, Plans and Humiston and Moore 23,650
Specification
Development
Construction Services Humiston and Moore 52,710
Construction drawings were delivered to the County Manager's Office on i 'day, January 18,
2013, by Humiston and Moore. Approximately 20,000 cubic yards of sang will be removed
from Clam Pass and used for inlet restoration and beach renourishment; ,ervices are to be
performed with mechanical equipment. The Pelican Bay Advisory Board is si heduled to review
the plans and make a recommendation to the Board of County Commis&•ners following a
special meeting on Monday, January 21, 2013.
Purchasing staff have identified options to obtain construction prices for the project and have
been in contact with a number of firms on two Board approved contracts, incl •ing:
• The five (5) firms on contract 08-5011 Underground Utility Contr.ct are licensed to
perform this type of work and may submit a"total unit-price" for the p oject; and
• The three (3) firms on contract 11-5673 Disaster Debris Removal & Disposal Services
have indicated that they are capable of coordinating and directing t e activity through
subcontractors and may submit a"cost-plus"price proposal for the pry i ect.
Add On Item 11H
January 22,2013
Staff recommends that these contracted firms be invited to attend a project "p e-bid meeting" as
soon as practicable; the meeting will be coordinated by the Purchasi g Department in
conjunction with Humiston and Moore. Once prices are received (5 – 7 days .fter the "pre-bid"
meeting), Purchasing staff and Humiston and Moore would review, reco end and request
approval from the County Manager to approve the issuance of work order() under the Board
approved contract terms and conditions.
FISCAL IMPACT: At its January 8, 2013 meeting the Board authorized ding for design,
permitting and construction phase services. The budget for those services i• included in TDC
Beach Renourishment/Pass Maintenance Fund (195) under project 88032. T e final cost of the
construction phase will be known when the construction work order(s) ar; approved by the
County Manager. A budget amendment appropriating reserve funds from TDC Beach
Renourishment/Pass Maintenance Fund (195) for the construction phase the Clam Pass
dredging project will be necessary.
LEGAL CONSIDERATIONS: This item has been reviewed and approv d by the County
Attorney's Office, is legally sufficient for Board action and only requires a majority vote for
approval—SRT.
GROWTH MANAGEMENT IMPACT: There is Growth Management mpact associated
with this item.
RECOMMENDATION: That the Board of County Commissioners approves the expedited
solicitation process for the construction dredging of Clam Pass and directs tho County Manager
to issue contract work order(s) to the firm(s) who submits the lowest responsive price(s) for the
Clam Pass project and approve necessary budget amendments.
Prepared by: Neil Dorrill, PBSD Administrator
Reviewed by: Leo E. Ochs, Jr., County Manager
147 ..ctt .„
Clot cT1 6 C m1 s
ii2I / 13
a -- rvl c
January 21, 2013 pA-66 of-tf
To: PBSD Board Members
From: Sierra Club Calusa Group
Subject: Draft Construction/Excavation Plans proposed for Clam Pass
The Sierra Club Calusa Group Board (Calusa Group) continues to support the
management of Clam Pass in concert with holistic management of the Clam Pass-
Clam Bay Natural Resources Protection Area, for the restoration, preservation,
and protection of its natural conditions and characteristics to the greatest extent
possible. Such management requires prudent caution when addressing excavation
of stream bed or tidal channels, as these areas are contiguous with and support
wetlands habitats and wildlife that utilize both the aquatic area and its wetlands.
The Calusa Group appreciates that the engineering firm put effort into the draft
construction/excavation plans and these plans should be discussed fully as a
potential alternative for long term management.
Calusa Group will not object to the draft for entrance cuts 0+00 to 3+64.5 from
the Mean High Water Line to the submerged bottom - which is roughly 202 sq. ft
in those cross sections, but do object to the new element of the designed channel
to now include extension into the Gulf of 400 ft west of station 0+00
We do suggest that the excess unconsolidated sand which has moved ashore from
the ebb shoal should be moved out of the path of the area to be excavated in
advance of such excavation and should not be included in the dredge cut design.
Further, the 1/2 foot over dredge is a new element that should be removed as there
is no ecological justification to add another half foot to allowed dredged depth
Calusa Group objects to the new element of this draft for a dredged channel to
excavate Clam Pass middle area from shoreline to shoreline which eliminates tidal
flat wetlands and increases the loss of benthic habitat.
Calusa Group objects to the new element of enlarged widths in Segment C.
• ; ( C. ) P(fie 2 ")
Recommendations from Sierra Calusa Group on the Draft Plans of 1/17/13
1) Eliminate the Westward expansion of the design which extends 400 ft into the
Gulf from station 0+00.
2) Eliminate the 1/2 foot over dredge from all stations.
3) Do not exceed the widths in Segment B that were authorized in the prior ten
year permits. Rather than enlarging widths in this area, Calusa Group
recommends that these widths be reduced wherever possible.
4) Do not exceed the widths in Segment C that were authorized in the prior ten
year permits. Rather than enlarging widths in this area, Calusa Group
recommends that these widths be reduced wherever possible.
5) For the immediate need to reopen Clam Pass - whether by mechanical
excavation or barge operated dredging - Calusa Group recommends that only
Segments A and the part of Segment B which are choked by sand would be
excavated at this time and overall maintenance dredging limits require further
discussion from affected stakeholders and user groups before proceeding with
plans for those segments.
Please consider these recommendations in good faith for the health and
sustainability of the Clam Pass - Clam Bay NRPA. Thank you for the opportunity
to participate in your discussions.
Marcia Cravens
Sierra Club Co-Conseervation Chair
Florida Master Naturalist for Coastal Systems
. m ca.3.e,,S) ?ets,e., oFt-1
Segment B
Station 4+10: H&M Plan is 140 ft, PBSJ Plan is 127 ft. Dredged 130 ft in
2007.
Station 5+10: H&M Plan is 135 ft, PBSJ Plan is 83 ft. Dredged 80 ft in
2007.
Station 5+60: H&M Plan is 110 ft, PBSJ Plan is 54 ft. Dredg d 50 ft in
2007.
Station 6+10: H&M Plan is 80 ft, PBSJ Plan is 48 ft. Dredge 25 ft in
2007.
Station 6+60: H&M Plan is 60 ft, PBSJ Plan is 25 ft. Not dre ged in 2007.
Segment C
Station 7+10: H&M Plan is 45 ft, PBSJ Plan is 30 ft. Not dre ged in 2007.
Station 7+50: H&M Plan is 35 ft, PBSJ plan is 20 ft. Not dredged in 2007.
Station 8+00: H&M Plan is 80 ft. PBSJ Plan is 47 ft. Dredged 30 ft in
2007.
Station 8+50: H&M Plan is 125 ft. PBSJ Plan is 56 ft. Dredged 60 ft in
2007.
Station 9+00: H&M Plan is 145 ft. PBSJ Plan is 60 ft. Dredged 70 ft in
2007.
Station 9+50: H&M Plan is 162 ft. PBSJ Plan is 124 ft. Dredged 110 ft in
2007.
Station 9+00: H&M Plan is 145 ft. PBSJ Plan is 60 ft. Dredged 70 ft in
2007.
Station 10+00: H&M Plan is 167 ft. equals PBSJ Plan. Dredged 140 ft in
2007.
Station 10+19: H&M Plan is 198 ft. equals PBSD Plan. Dredged 145 ft in
2007.
Station 10+50: H&M Plan is 150 ft. PBSJ Plan is 117 ft. Dre ged 120 ft in
2007.
Station 12+00: H&M Plan is 235 ft. PBSJ Plan is 232 ft. Dre ged 160 ft in
2007.
Station 12+50: Not in H&M Plan. PBSJ Plan is 255 ft. Not dredged in
2007.
Station 15+00: H&M Plan is 225 ft. PBSJ Plan is 191 ft. Dredged 220 ft in
2007.
Station 15+50: H&M Plan is 260 ft. PBSJ Plan is 122 ft. Dredged 190 ft in
2007.
Station 16+00: Not in H&M Plan. PBSJ Plan is 104 ft. Dredged 104 ft in
2007.
Station 16+50: Not in H&M Plan. PBSJ Plan is 111 ft. Dredged 110 ft in
2007.
Station 17+00: Not in H&M Plan. PBSJ Plan is 95 ft. Dredged 110 ft in
2007.
Cfin, C rA4-4) c7CA .1 ak
Segment B
Station 4+10: H&M Plan is 140 ft, PBSJ Plan is 127 ft. Dredged 130 ft in
2007.
Station 5+10: H&M Plan is 135 ft, PBSJ Plan is 83 ft. Dredged 80 ft in
2007.
Station 5+60: H&M Plan is 110 ft, PBSJ Plan is 54 ft. Dredged 50 ft in
2007.
Station 6+10: H&M Plan is 80 ft, PBSJ Plan is 48 ft. Dredged 25 ft in
2007.
Station 6+60: H&M Plan is 60 ft, PBSJ Plan is 25 ft. Not dredged in 2007.
Segment C
Station 7+10: H&M Plan is 45 ft, PBSJ Plan is 30 ft. Not dredged in 2007.
Station 7+50: H&M Plan is 35 ft, PBSJ plan is 20 ft. Not dredged in 2007.
Station 8+00: H&M Plan is 80 ft. PBSJ Plan is 47 ft. Dredged 30 ft in
2007.
Station 8+50: H&M Plan is 125 ft. PBSJ Plan is 56 ft. Dredged 60 ft in
2007.
Station 9+00: H&M Plan is 145 ft. PBSJ Plan is 60 ft. Dredged 70 ft in
2007.
Station 9+50: H&M Plan is 162 ft. PBSJ Plan is 124 ft. Dredged 110 ft in
2007.
Station 9+00: H&M Plan is 145 ft. PBSJ Plan is 60 ft. Dredged 70 ft in
2007.
Station 10+00: H&M Plan is 167 ft. equals PBSJ Plan. Dredg d 140 ft in
2007.
Station 10+19: H&M Plan is 198 ft. equals PBSD Plan. Dredged 145 ft in
2007.
Station 10+50: H&M Plan is 150 ft. PBSJ Plan is 117 ft. Dredged 120 ft in
2007.
Station 12+00: H&M Plan is 235 ft. PBSJ Plan is 232 ft. Dredged 160 ft in
514 M, 1 bgLI 4 10 /L,/i.3
•The following are questions and comments arising from an analys's of the H&M Draft
Construction Plans for Clam Pass Maintenance Dredging, submitt d to PBSD for P°-o- 1 vF3
review on Friday, January 18, 2013. Mr. Humiston should clarify t e issues
discussed below.
1 . On pages 2 & 3: What is the unlabeled segment to the left of Segment A? When
and why would this segment be utilized?
2. What does "Over Depth Allowance" mean? It cannot mean a "margin of error of
0.5 ft deep" because according to the "Dredge Station Control and Volumetric
Information" Table on the last page, the estimated volume of approximately 21 ,000
cubic yard of sand can only be obtained by including the "Over Depth Allowance".
Consequently, the actual dredge depth for Segment A is (— 6.3 ft. NAVD88 or - 5.0 ft.
NGVD). For segment B, the actual dredge depth is (- 5.8 ft. NAVD88 or - 4.5 ft.
NGVD). For Segment C, the actual dredge depth is (- 5.3 ft. NAVD88 or — 4.0 ft.
NGVD). These are the same depths as in the prior authorized 1998 Dredging Permit,
and the Coastal Zone Management (CZM) PBSJ permit application, with the
exception of the depth in Segment A which is 0.5 ft less in the Draft H&M
Construction Plans.
3. The proposed dredge width in Segment A is 45 ft (15 ft wider than the authorized
1998 dredge permit), as agreed upon by Ken Humiston & MAG President Ted Raia,
in the presence of Commissioner Hiller. However, the dredge widths of a number of
stations in Segments B & C (listed below) have been enlarged; this was not
discussed or agreed to. They are even wider than the illicit 2007 (80 ft. wide) dredge
design, as well as the CZM PBSJ permit application.
What is the purpose of enlarging these stations? Kathy Worley, Senior Scientist at
the Conservancy has consistently objected to dredging too close to the mangrove
roots as this practice will damage the mangroves during and after excavation.
Furthermore, this practice will unnecessarily reduce benthic habitats needed by
aquatic fauna and flora to survive and flourish in Clam Bay.
The dredge widths of the following stations have been enlarged from the CZM PBSJ
permit application, and the prior authorized 1998 Dredge Permit.
Segment B
Station 4+10: H&M Plan is 140 ft, PBSJ Plan is 127 ft. Dredged 1 0 ft in 2007.
Station 5+10: H&M Plan is 135 ft, PBSJ Plan is 83 ft. Dredged 80 ft in 2007.
Station 5+60: H&M Plan is 110 ft, PBSJ Plan is 54 ft. Dredged 50 ft in 2007.
Station 6+10: H&M Plan is 80 ft, PBSJ Plan is 48 ft. Dredged 25 in 2007.
Station 6+60: H&M Plan is 60 ft, PBSJ Plan is 25 ft. Not dredged in 2007.
r
`1(51A,) P 2.-F' 3
Segment C
Station 7+10: H&M Plan is 45 ft, PBSJ Plan is 30 ft. Not dredged in 2007.
Station 7+50: H&M Plan is 35 ft, PBSJ plan is 20 ft. Not dredged in 2007.
Station 8+00: H&M Plan is 80 ft. PBSJ Plan is 47 ft. Dredged 30 ft in 2007.
Station 8+50: H&M Plan is 125 ft. PBSJ Plan is 56 ft. Dredged 60 ft in 2007.
Station 9+00: H&M Plan is 145 ft. PBSJ Plan is 60 ft. Dredged 70 ft in 2007.
Station 9+50: H&M Plan is 162 ft. PBSJ Plan is 124 ft. Dredged 110 ft in 2007.
Station 9+00: H&M Plan is 145 ft. PBSJ Plan is 60 ft. Dredged 70 ft in 2007.
Station 10+00: H&M Plan is 167 ft. equals PBSJ Plan. Dredged 140 ft in 2007.
Station 10+19: H&M Plan is 198 ft. equals PBSD Plan. Dredged 145 ft in 2007.
Station 10+50: H&M Plan is 150 ft. PBSJ Plan is 117 ft. Dredged 120 ft in 2007.
Station 12+00: H&M Plan is 235 ft. PBSJ Plan is 232 ft. Dredged 160 ft in 2007.
Station 12+50: Not in H&M Plan. PBSJ Plan is 255 ft. Not dredged in 2007.
Station 15+00: H&M Plan is 225 ft. PBSJ Plan is 191 ft. Dredged 220 ft in 2007.
Station 15+50: H&M Plan is 260 ft. PBSJ Plan is 122 ft. Dredged 190 ft in 2007.
Station 16+00: Not in H&M Plan. PBSJ Plan is 104 ft. Dredged 104 ft in 2007.
Station 16+50: Not in H&M Plan. PBSJ Plan is 111 ft. Dredged 11 ft in 2007.
Station 17+00: Not in H&M Plan. PBSJ Plan is 95 ft. Dredged 110 ft in 2007.
Summary Conclusions
It appears that the Draft H&M Plan, as stated in the Executive Summary of the Add
On Item 11H for the 1/22/13 BCC Meeting, is designed to meet th objective of
obtaining approximately 20,000 cubic yards of sand for inlet resto ation and beach
renourishment. According to the "Fill Template Information" Table on the last page of
the Draft Plans, 5280 cu. yd. of sand can be placed on locations - 40, and R-
40+725 north of the Pass; 24,000 cu. yd. of sand can be placed o locations R- 42
and R- 44 south of the Pass.
This plan talks a lot about sand volumes and renourishment, but nothing about
dredging to maintain health of the eco-system.
If this draft plan is to be used; clear statements must be included 'n the PBSD
dredge permit application that this design will only be used to add ess the critical
condition presently existed in Clam Pass, and not be used for fut re maintenance
dredging. This H&M Plan has expanded the scope of the prior authorized 1998
dredge permit instead of reducing it. It is uncertain that the regulatory agencies
would approve this plan quickly. The Nation-wide Permit 27 states that applications
should not differ from a prior permit (the 1998 permit) used as a basis. This plan
does deviate significantly, and environmental and conservation groups may object to
it.
! if4iA.,,-) ?Clic_ 34.c 3
NOTE:
The recent survey conducted by Agnoli, Barber, & Brundage from January 3 to 11 ,
2013, shows that in Segments B & C, the channel depths and wid hs remain quite
constant at approximately — 4 ft NGVD, and 25 to 40 ft wide, indic ting the Pass is at
its equilibrium condition. Segment A is completely filled in with an ddition of 2 ft of
sand. Undoubtedly, Segment A does need to be dredged to allow for tidal flushing
for the health of Clam Bay, as well as for fish to enter and exit the lestuary, but let's
not over-dredge Segments B & C for the purpose of accumulating for mining sand.
As stated in Humiston & Moore Bathymetric Monitoring Report # 9, p. 11, November
2008; "It should be understood that Segment C is dredged to a much larger channel
flow cross section than the entrance channel, so that a substantial amount of sand
can accumulate in Segment C before it begins to adversely affect inlet hydraulics.
This area is designed to act as a deposition basin for sand carried into the inlet and
becomes a source of sand for beach renourishment when inlet dredging becomes
necessary."
Accumulating sand and dredging for renourishment of adjacent b4aches should no
longer be a consideration of Clam Pass maintenance dredging.
Linda Roth
Montenero
254-8889